Top Discharges

Streamgauges reporting the most discharge on the Grass River

10 Day Trend

Discharge comparison for the highest gauges over the past 10 days

Expected Streamflow Ranges

Streamflow discharge range for this time of year

The Grasse River or Grass River (per 1905 decision of the U.S. Board on Geographic Names) is a 73-mile-long (117 km) river in northern New York, in the United States. The river mainly flows northeast from the foothills of the Adirondack Mountains into the St. Lawrence Valley, making up what is known as the greater St. Lawrence River Drainage Basin along with other tributaries such as the Oswegatchie and Raquette rivers. The river was named after François Joseph Paul, comte de Grasse(1722–1788), a French admiral and hero of the American Revolutionary War. He defeated British forces in the Battle of ... Source: Wikipedia